CN218013079U

CN218013079U - Main rotor for crusher

Info

Publication number: CN218013079U
Application number: CN202222361598.XU
Authority: CN
Inventors: 林梅; 刘昌连; 陆翠翠
Original assignee: Sichuan Zhijia Mechanical Equipment Co ltd
Current assignee: Sichuan Zhijia Mechanical Equipment Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-13
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a main rotor for breaker, including main shaft, big disc, rocking arm, ring hammer axle and tup, big disc is all installed at the main shaft both ends, and the main shaft is located between two big discs at least one rocking arm is installed to the equidistance, and big disc uses its center as the centre of a circle and evenly is equipped with at least a set of first ring hammer shaft hole for the annular, and the first ring hammer shaft hole of every group all includes two at least first ring hammer shaft holes that set up to keeping away from big disc center direction equidistance. The beneficial effects of the utility model include: the utility model provides a main rotor for breaker, the effect of performance tup that can furthest remains the tup throughout to the impact force of material, and the ejection of compact granularity of assurance material that can be long-time extremely reaches the life-span of tup, has prolonged the change cycle of tup greatly. Meanwhile, the speed regulation function is realized to a certain extent, and the linear speed of the main rotor can be changed under the condition that a frequency converter is not adopted or a motor is not replaced, so that the function of regulating the discharging granularity is achieved.

Description

Main rotor for crusher

Technical Field

The utility model belongs to the technical field of breaker technique and specifically relates to a main rotor for breaker is related to.

Background

In crushers which rely on hammer crushing in various forms, particularly in ring hammer crushers, the heads of the main rotor are the major wear parts and are the most frequently replaced parts. Along with the wearing and tearing of tup, broken ejection of compact granularity can be bigger and bigger, and along with time's lapse, crushing effect can be more and more poor to can not reach the requirement of ejection of compact gradually, at this moment just need change the tup, but the wearing and tearing volume of the tup this moment usually does not reach the condition of changing, and this has just resulted in the waste of tup, has also wasted manpower, the material resources of change simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a main rotor for breaker, solve the technical problem in the background art.

In order to achieve the technical purpose, the technical scheme of the utility model provides a main rotor for breaker, including main shaft, big disc, rocking arm, ring hammer axle and tup, big disc is all installed at the main shaft both ends, and the main shaft is located and installs at least one rocking arm between two big discs equidistance, and big disc uses its center to be the annular and evenly is equipped with at least a set of first ring hammer shaft hole as the centre of a circle, and every first ring hammer shaft hole of group all includes to keeping away from two at least first ring hammer shaft holes that big disc center direction equidistance set up, and the rocking arm uses its center to be the annular and evenly is equipped with a set of at least second ring hammer shaft hole that is equipped with as the centre of a circle, and every second ring hammer shaft hole of group all includes to keeping away from two at least second ring hammer shaft holes that rocking arm center direction equidistance set up, the ring hammer axle can wear to establish in arbitrary first hammer shaft hole and second hammer shaft hole, the tup center is equipped with and is used for establishing the hammer cap at the epaxial hole of ring hammer, the ring hammer axle has worn to establish and has corresponded the different radius of rotation of main rotor and linear velocity in arbitrary first hammer shaft hole and second hammer shaft hole.

Furthermore, the rotating arm comprises a rotating arm body and at least one rotating arm head which is uniformly arranged on the side wall of the rotating arm body in an annular shape by taking the center of the rotating arm body as a circle center, and a second annular hammer shaft hole is arranged on the rotating arm head.

Furthermore, the rotating arm heads on two adjacent rotating arms are arranged in a staggered way.

Furthermore, a first spindle hole is formed in the center of the large disc, a second spindle hole is formed in the center of the rotating arm body, and the spindles are arranged in the first spindle hole and the second spindle hole.

Furthermore, spacing sleeves are arranged between the large round disc and the rotating arms and between two adjacent rotating arms.

Furthermore, both ends of the main shaft are in threaded connection with locking nuts used for fixing the large round disc.

Furthermore, the parts of the two large disks, which are positioned at the outer end of the first annular hammer shaft hole, are respectively and detachably provided with a blocking assembly.

Further, the blocking assembly comprises a baffle plate and a bolt, and the baffle plate is installed at the position, located at the outer end of the first annular hammer shaft hole, of the large disc through the bolt.

The beneficial effects of the utility model include: the utility model provides a main rotor for breaker, the effect of performance tup that can furthest remains the tup throughout to the impact force of material, and the ejection of compact granularity of assurance material that can be long-time extremely reaches the life-span of tup, has prolonged the change cycle of tup greatly. Meanwhile, the speed regulation function is realized to a certain extent, and the linear speed of the main rotor can be changed under the condition of not adopting a frequency converter or replacing a motor, so that the function of regulating the discharging granularity is achieved.

Drawings

Fig. 1 is a schematic structural view of a main rotor for a crusher according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a turntable according to an embodiment of the present invention;

fig. 4 is a schematic view of a rotating arm structure of the embodiment of the present invention;

FIG. 5 is an enlarged view at A of FIG. 1;

in the figure: 1. a main shaft; 2. a large disc; 21. a first ring hammer shaft hole; 22. a first spindle hole; 3. a rotating arm; 31. a second ring hammer shaft hole; 4. a ring hammer shaft; 5. a hammer head; 6. a spacer sleeve; 7. locking the nut; 8. a blocking component; 81. a baffle plate; 82. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-4, the utility model provides a main rotor for breaker, including main shaft 1, big disc 2, rocking arm 3, ring hammer axle 4 and tup 5, big disc 2 is all installed at main shaft 1 both ends, main shaft 1 is located that at least one rocking arm 3 is installed to the equidistance between two big discs 2, big disc 2 uses its center to be the annular and evenly is equipped with at least a set of first ring hammer axle hole 21 as the centre of a circle, every first ring hammer axle hole 21 of group all includes to keeping away from two at least first ring hammer axle holes 21 that 2 central directions of big disc equidistance set up, rocking arm 3 uses its center to be the annular and evenly is equipped with at least a set of second ring hammer axle hole 31 as the centre of a circle, every second ring hammer axle hole 31 of group all includes to keeping away from two at least second ring hammer axle holes 31 that 3 central directions of rocking arm equidistance set up, ring hammer axle 4 can be worn to establish in arbitrary first hammer axle hole 21 and second hammer axle hole 31, tup 5 center is equipped with and is used for establishing the hammer 5 cover at the last hammer axle hole of tup, ring hammer axle 4 wears to establish at arbitrary first axle hole 21 and the rotor radius of second hammer axle hole 31 and has corresponded the different linear velocity of rotation.

The first annular hammer shaft 21 and the second annular hammer shaft hole 31 which are used for penetrating the annular hammer shaft 4 on the large circular disc 2 and the rotating arm 3 are not single holes, but are 'connecting holes' formed by a plurality of holes, the annular hammer shaft 4 can penetrate through any one of the first annular hammer shaft 21 and the second annular hammer shaft hole 31, and the annular hammer shaft 4 penetrates through different first annular hammer shaft 21 and second annular hammer shaft hole 31 and corresponds to different rotating diameters of the main rotor. The "connecting hole" may be composed of a plurality of holes (usually 2-5), which are called a plurality of gears, when the hammer 5 is not worn, the annular hammer shaft may penetrate through the innermost first annular hammer shaft 21 and the innermost second annular hammer shaft 31 on the large circular disc 2 and the tumbler 3, at this time, the rotating diameter of the main rotor is the smallest, the linear velocity is the smallest, when the hammer 5 is worn, the annular hammer shaft 4 may penetrate through the innermost first annular hammer shaft 21 and the innermost second annular hammer shaft 31 on the large circular disc 2 and the tumbler 3, at this time, the rotating diameter of the main rotor is the largest, and the linear velocity is the largest.

The breaker is when using, can accord with the requirement according to the ejection of compact granularity of material, wear to establish in suitable first ring hammer shaft hole 21 and second ring hammer shaft hole 31 with ring hammer axle 5, if the ejection of compact granularity of material just can not reach the requirement at first, alright wear on big carousel 2 keep away from its central first ring hammer shaft hole 21 and rocking arm 3 keep away from its central second ring hammer shaft hole 31 with ring hammer axle 4 in, when increasing the radius of rotation of main rotor, the linear velocity of main rotor has also been increased, let tup 5 obtain bigger kinetic energy simultaneously, this impact force that has just increaseed tup 5 to the material just can obtain better ejection of compact granularity.

After the breaker has used a period, tup 5 just can produce certain wearing and tearing, after wearing and tearing to a certain degree, tup 5 and the clearance of counterattack device will grow, and tup 5's impact force to the material also can diminish simultaneously, just leads to ejection of compact granularity can grow, nevertheless tup 5 this moment still possesses certain thickness, if change just produced very big waste to tup 5, if do not change, ejection of compact granularity just can not reach the requirement. At the moment, the annular hammer shaft 4 can be replaced into a first annular hammer shaft hole 21 which is far away from the center of the large circular disc 2 and a second annular hammer shaft hole 31 which is far away from the center of the rotating arm 3, the rotating radius of the main rotor is increased, the linear speed of the main rotor is ensured not to be reduced, meanwhile, the impact force of the hammer head 5 on materials is also ensured, the gap between the hammer head 5 and an impact device is also reduced while the rotating radius of the main rotor is increased, the worn hammer head 5 and the unworn hammer head 5 can have the same impact force, and meanwhile, the main rotor can be ensured to have the same rotating radius and the same gap between the hammer head 5 and the impact device.

More specifically, the rotating arm 3 includes a rotating arm body and at least one rotating arm head uniformly arranged on the side wall of the rotating arm body in a circular shape with the center of the rotating arm body as the center of circle, and a second annular hammer shaft hole 31 is arranged on the rotating arm head.

It should be noted that the rotating arm heads on two adjacent rotating arms 3 are arranged in a staggered manner.

In this embodiment, the large disc 2 is centrally provided with a first spindle hole 22, the rotating arm body 3 is centrally provided with a second spindle hole 32, and the spindle 1 is disposed in the first spindle hole 22 and the second spindle hole 32.

In this embodiment, a spacer sleeve 6 is arranged between the large disc 2 and the rotating arm 3 and between two adjacent rotating arms 3.

In this embodiment, both ends of the main shaft 1 are connected with locking nuts 7 for fixing the large disc 2 through threads.

When the main rotor is installed, the rotating arm 3 and the spacing pad 6 are sequentially sleeved on the main shaft 1 at intervals, then the two large disks 2 are respectively sleeved at two ends of the main shaft 1, then the locking nut 7 is in threaded connection with two ends of the main shaft 1, so that the large disks 2, the rotating arm 3 and the spacing pad 6 can be fixed on the main shaft 1, when the main rotor is disassembled, the locking nut 7 is screwed down from the main shaft 1, and the large disks 2, the rotating arm 3 and the spacing pad 6 can be taken down from the main shaft 1, so that the operation is convenient.

As shown in fig. 5, the blocking assemblies 8 are respectively and detachably mounted at the positions of the two large disks 2 at the outer ends of the first circular hammer shaft holes 21. Can prevent through blockking that subassembly 8 from encircling hammer axle 4 breaks away from first ring hammer axle hole 21 and second ring hammer axle hole 31, block that subassembly 8 can follow big drum 2 and dismantle simultaneously to can wear to establish in first ring hammer axle hole 21 and the second ring hammer axle hole 31 of difference with encircling hammer axle 4.

Stop subassembly 8 and include baffle 81 and bolt 82, baffle 81 passes through bolt 82 to be installed at the position that big disc 2 is located first ring hammer shaft hole 21 outer end, can prevent through baffle 81 that ring hammer axle 4 from breaking away from first ring hammer shaft hole 21 and second ring hammer shaft hole 31, when needs wear to establish ring hammer axle 4 in first ring hammer shaft hole 21 and the second ring hammer shaft hole 31 of difference, loosen bolt 82 and take off baffle 81 from big disc 2, the back of finishing adjusting, fix baffle 81 on big disc 2 through the bolt, and convenient for operation.

The specific principle is as follows: when the crusher is used, the crusher can meet the requirement according to the discharge granularity of materials, the annular hammer shaft 5 is arranged in the first annular hammer shaft hole 21 and the second annular hammer shaft hole 31 which are suitable in a penetrating manner, if the discharge granularity of the materials cannot meet the requirement at first, the annular hammer shaft 4 can be arranged in the first annular hammer shaft hole 21 and the second annular hammer shaft hole 31 which are far away from the center of the annular hammer shaft 3 on the large circular disc 2, the rotary radius of the main rotor is increased, the linear speed of the main rotor is increased, meanwhile, the hammer head 5 obtains larger kinetic energy, and the better discharge granularity can be obtained by increasing the impact force of the hammer head 5 on the materials.

After the breaker has used a period, tup 5 just can produce certain wearing and tearing, after wearing and tearing to a certain degree, tup 5 and the clearance of counterattack device will grow, and tup 5's impact force to the material also can diminish simultaneously, just leads to ejection of compact granularity can grow, nevertheless tup 5 this moment still possesses certain thickness, if change just produced very big waste to tup 5, if do not change, ejection of compact granularity just can not reach the requirement. At the moment, the ring hammer shaft 4 can be replaced into a first ring hammer shaft hole 21 on the large circular disc 2, which is far away from the center of the large circular disc, and a second ring hammer shaft hole 31 on the rotary arm 3, which is far away from the center of the large circular disc, so that the rotating radius of the main rotor is increased, the linear speed of the main rotor is ensured not to be reduced, the impact force of the hammer head 5 on materials is also ensured, the gap between the hammer head 5 and a counterattack device is also reduced while the rotating radius of the main rotor is increased, the worn hammer head 5 and the unworn hammer head 5 can have the same impact force, and the main rotor can be ensured to have the same rotating radius and the same gap between the hammer head 5 and the counterattack device.

The beneficial effects of the utility model include: the utility model provides a main rotor for breaker, the effect of performance tup that can furthest remains tup 5 throughout to the impact force of material, and the ejection of compact granularity of assurance material that can be long-time extremely reaches the life-span of tup 5, has prolonged the change cycle of tup 5 greatly. Meanwhile, the speed regulation function is realized to a certain extent, and the linear speed of the main rotor can be changed under the condition of not adopting a frequency converter or replacing a motor, so that the function of regulating the discharging granularity is achieved.

The above description is intended to illustrate the embodiments of the present invention, and not to limit the scope of the invention. Any other corresponding changes and modifications according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a main rotor for breaker, its characterized in that, includes main shaft, big disc, rocking arm, ring hammer axle and tup, big disc is all installed at the main shaft both ends, the main shaft is located equidistant between two big discs and installs at least one rocking arm, big disc uses its center to be the annular and evenly is equipped with at least a set of first ring hammer shaft hole, every group for the centre of a circle the first ring hammer shaft hole all includes to keeping away from two at least first ring hammer shaft holes that big disc center direction equidistance set up, the rocking arm uses its center to be the annular and evenly is equipped with at least a set of second ring hammer shaft hole, every group the second ring hammer shaft hole all includes to keeping away from two at least second ring hammer shaft holes that rocking arm center direction equidistance set up, the ring hammer axle is established in arbitrary one first hammer shaft hole and second hammer shaft hole, the tup center is equipped with and is used for establishing the hammer head cover at the epaxial hole of ring hammer, the ring hammer axle is worn to establish and has been corresponding different rotary radius and linear velocity of main rotor in arbitrary first hammer shaft hole and second hammer shaft hole.

2. The main rotor for a crusher as claimed in claim 1, wherein said rotor arm includes a rotor arm body and at least one rotor arm head disposed on a side wall of the rotor arm body in a circular shape around a center of the rotor arm body, said second hammer shaft hole being formed in the rotor arm head.

3. A main rotor for a crusher as claimed in claim 2, wherein the rotor arm heads of adjacent rotor arms are staggered.

4. The main rotor for a crusher as claimed in claim 1, wherein the large disc has a first main shaft hole at the center thereof, the rotating arm body has a second main shaft hole at the center thereof, and the main shaft is disposed in the first main shaft hole and the second main shaft hole.

5. A main rotor for a crusher as claimed in claim 4, wherein spacer sleeves are provided between the large disc and the rotor arms and between two adjacent rotor arms.

6. A main rotor for a crusher as claimed in claim 5, wherein lock nuts for fixing the large disks are threadedly attached to both ends of the main shaft.

7. The main rotor for a crusher as claimed in claim 1, wherein the two large discs are each detachably mounted with a stop member at the outer end of the bore of the first ring hammer.

8. The main rotor for a crusher of claim 7, wherein the blocking assembly comprises a baffle plate and a bolt, the baffle plate is mounted on the large disc at the outer end of the first ring hammer shaft hole through the bolt.